Lampshade



FIG. 1 is a top perspective view showing my new design for a lampshade,

FIG. 2 is a bottom perspective view thereof, the portion shown in dotted lines is for illustrative purposes only, forming no part of the claimed design,

FIG. 3 is a top view thereof,

FIG. 4 is a bottom view thereof, the portion shown in dotted lines is for illustrative purposes only, forming no part of the claimed design,

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof. 

The ornamental design for a lampshade, as shown and described. 